240290253

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7349}}^1$

素因数の和:7538

約数の個数: 32

約数和(自身を含む): 409248000

約数和(自身を除く): 168957747

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 1211, 1557, 3633, 4671, 7349, 10899, 22047, 32697, 51443, 66141, 154329, 198423, 462987, 1271377, 1388961, 3814131, 8899639, 11442393, 26698917, 34327179, 80096751, 240290253]

約数ペア:

[(1, 240290253), (3, 80096751), (7, 34327179), (9, 26698917), (21, 11442393), (27, 8899639), (63, 3814131), (173, 1388961), (189, 1271377), (519, 462987), (1211, 198423), (1557, 154329), (3633, 66141), (4671, 51443), (7349, 32697), (10899, 22047)]